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Re: [PATCH 3/5] submodule: helper to run foreach in parallel

From
Stefan Beller <sbeller@google.com>
Date
Aug 26, 2015, 17:21 UTC
Message-ID
<CAGZ79kaWh5F_d9TGHFe-fAd5arFicaAVcmYnWnAS2Wn1PoGMzg@mail.gmail.com>
In-Reply-To
<20150826170647.GA1870@sigill.intra.peff.net>
On Wed, Aug 26, 2015 at 10:06 AM, Jeff King <peff@peff.net> wrote:
Show 30 quoted lines
> On Tue, Aug 25, 2015 at 10:28:24AM -0700, Stefan Beller wrote:
>
>> +int module_foreach_parallel(int argc, const char **argv, const char *prefix)
>> +{
>> [...]
>> +     for (i = 0; i < ce_used; i++) {
>> +             const struct submodule *sub;
>> +             const struct cache_entry *ce = ce_entries[i];
>> +             struct submodule_args *args = malloc(sizeof(*args));
>> +
>> +             if (ce_stage(ce))
>> +                     args->sha1 = xstrdup(sha1_to_hex(null_sha1));
>> +             else
>> +                     args->sha1 = xstrdup(sha1_to_hex(ce->sha1));
>> +
>> +             strbuf_reset(&sb);
>> +             strbuf_addf(&sb, "%s/.git", ce->name);
>> +             if (!file_exists(sb.buf))
>> +                     continue;
>
> "args" and "args->sha1" go out of scope and leak here.
>
>> +             args->name = sub->name;
>> +             args->toplevel = xstrdup(xgetcwd());
>
> Another xgetcwd leak. :) I think this one can just drop the xstrdup.
>
> (Both of these were spotted by Coverity. I know you have played with it
> a little, so if you are actually reading the emails it sends, I'll stop
> relaying them).
Fixing those memleaks was the first thing I did this morning. :)

And yeah I do pay attention to these emails. (I maintain the automatic testing every other day, so there is that.)

>
> -Peff
Previous: Jeff KingNext: Stefan Beller
Message 10 of 19 in “Demonstrate new parallel threading API”
  1. 0/5 Demonstrate new parallel threading APIStefan Beller, Aug 25, 2015
  2. 1/5 FIXUP submodule: implement `module_clone` as a builtin helperStefan Beller, Aug 25, 2015
  3. 2/5 thread-utils: add a threaded task queueStefan Beller, Aug 25, 2015
  4. 3/5 submodule: helper to run foreach in parallelStefan Beller, Aug 25, 2015
  5. Junio C HamanoAug 25, 2015
  6. Stefan BellerAug 25, 2015
  7. Junio C HamanoAug 25, 2015
  8. Junio C HamanoAug 25, 2015
  9. Jeff KingAug 26, 2015
  10. Stefan BellerAug 26, 2015
  11. 4/5 index-pack: Use the new worker poolStefan Beller, Aug 25, 2015
  12. Jeff KingAug 25, 2015
  13. Stefan BellerAug 25, 2015
  14. Junio C HamanoAug 25, 2015
  15. Stefan BellerAug 25, 2015
  16. Junio C HamanoAug 25, 2015
  17. Stefan BellerAug 25, 2015
  18. Junio C HamanoAug 25, 2015
  19. 5/5 pack-objects: Use new worker poolStefan Beller, Aug 25, 2015

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